Cheap flights from Kostanay to Seoul from $848 KSN → ICN
Kostanay Airport (KSN) → Incheon International Airport (ICN)
The cheapest return found recently is $848 with SCAT, 28 Dec – 7 Jan 2027, found 2 days ago.
- Cheapest return found recently
- $848, 28 Dec to 7 Jan 2027
- Usual return price
- $836 to $962
- Cheapest month to fly
- January 2027, return fares from $799 found in the last 7 days
Return
The cheapest return fare on each of 7 departure dates is usually $836 to $962.
Cheapest return found recently
$848
28 Dec – 7 Jan 2027 · SCAT
Kostanay Airport (KSN) → Incheon International Airport (ICN)
Leaves 6:35 a.m. · Return leaves 2:25 p.m. · 42 h of travel, both ways together
out 1 stop, back 2 stops
found 2 days ago
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$848 28 Dec – 7 Jan 2027found 2 days agoSee prices for these dates
$799 4 Jan 2027 – 9 Jan 2027found 5 days agoSee prices for these dates
What have prices looked like?
Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $640 to $987.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 7 departure dates from 26 Dec to 27 Apr 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 10-night return fares leaving within 3 days of 28 Dec to compare.
Every date we hold
10 fares on 7 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 26 Dec – 7 Jan 2027 | $832 | Centrum Air | Kostanay Airport (KSN) → Incheon International Airport (ICN) | out 1 stop, back 3 stops | found 5 days ago | See prices for these dates |
| 28 Dec – 7 Jan 2027 | $839 | SCAT | Kostanay Airport (KSN) → Incheon International Airport (ICN) | out 1 stop, back 3 stops | found 3 days ago | See prices for these dates |
| 4 Jan 2027 – 9 Jan 2027 | $799 | FlyArystan | Kostanay Airport (KSN) → Incheon International Airport (ICN) | out 2 stops, back 3 stops | found 5 days ago | See prices for these dates |
| 11 Mar 2027 – 22 Mar 2027 | $898 | FlyArystan | Kostanay Airport (KSN) → Incheon International Airport (ICN) | out 2 stops, back 2 stops | found 6 days ago | See prices for these dates |
| 19 Apr 2027 – 30 Apr 2027 | $1,035 | Vietjet Qazaqstan | Kostanay Airport (KSN) → Incheon International Airport (ICN) | out 2 stops, back 2 stops | found 3 days ago | See prices for these dates |
| 21 Apr 2027 – 1 May 2027 | $934 | FlyArystan | Kostanay Airport (KSN) → Incheon International Airport (ICN) | out 2 stops, back 2 stops | found 3 days ago | See prices for these dates |
| 27 Apr 2027 – 2 May 2027 | $990 | FlyArystan | Kostanay Airport (KSN) → Incheon International Airport (ICN) | out 2 stops, back 2 stops | found 5 days ago | See prices for these dates |
Which month looks cheapest?
January 2027 is the cheapest month — from $799.
Airlines on the cheapest dates: FlyArystan, Centrum Air, SCAT, Vietjet Qazaqstan.
Premium cabin fares from Kostanay to Seoul
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 28 Dec – 7 Jan 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Kostanay to Seoul?
Return
Fares 60 to 89 days before departure were typically 20% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $914 | $817 | +25% | 7 |
| 14–29 days | $802 | $762 | +10% | 10 |
| 30–59 days | $780 | $756 | +7% | 27 |
| 60–89 days | $732 | $640 | Cheapest seen | 19 |
| 90–179 days | $732 | $640 | +0% | 43 |
| 180+ days | $804 | $804 | +10% | 8 |
Live price for these dates
The cheapest return found recently is for 28 Dec – 7 Jan 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Kostanay to Seoul?
The cheapest return found recently is $848 with SCAT, 28 Dec to 7 Jan 2027, found 2 days ago. The cheapest return we hold, of any age, is $799 with FlyArystan, 4 Jan 2027 to 9 Jan 2027, found 5 days ago. The cheapest return fare on each of 7 departure dates is usually $836 to $962.
What is the cheapest month to fly from Kostanay to Seoul?
January 2027 is the cheapest month for a return, from $799, 4 Jan 2027 to 9 Jan 2027, found 5 days ago.
How far ahead should I book a flight from Kostanay to Seoul?
In 49 days of prices between 24 Sept and 11 Nov, return fares 60 to 89 days before departure were typically 20% lower than 0 to 6 days before departure.
Which airlines have the cheapest flights from Kostanay to Seoul?
Between 26 Dec and 27 Apr 2027, FlyArystan has the cheapest return on 4 of the 7 departure dates we hold, Centrum Air on 1 and SCAT on 1.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work